move the APM to chrome.

content/renderer/media/media_stream_dependency_factory.cc

Index: content/renderer/media/media_stream_dependency_factory.cc
diff --git a/content/renderer/media/media_stream_dependency_factory.cc b/content/renderer/media/media_stream_dependency_factory.cc
index 1a7fd531f868fe6ba2c735e7e6d1b77743e65275..173cb2e299f1b17b282be9978417a2f85ec86d5f 100644
--- a/content/renderer/media/media_stream_dependency_factory.cc
+++ b/content/renderer/media/media_stream_dependency_factory.cc
@@ -321,7 +321,8 @@ void MediaStreamDependencyFactory::CreateNativeMediaSources(
     // support multiple microphones. See issue crbug/262117 .
     const StreamDeviceInfo device_info = source_data->device_info();
     scoped_refptr<WebRtcAudioCapturer> capturer(
-        MaybeCreateAudioCapturer(render_view_id, device_info));
+        MaybeCreateAudioCapturer(render_view_id, device_info,
+                                 &native_audio_constraints));
     if (!capturer.get()) {
       DLOG(WARNING) << "Failed to create the capturer for device "
                     << device_info.device.id;
@@ -807,7 +808,8 @@ void MediaStreamDependencyFactory::CleanupPeerConnectionFactory() {
 scoped_refptr<WebRtcAudioCapturer>
 MediaStreamDependencyFactory::MaybeCreateAudioCapturer(
     int render_view_id,
-    const StreamDeviceInfo& device_info) {
+    const StreamDeviceInfo& device_info,
+    const RTCMediaConstraints* constraints) {
   // TODO(xians): Handle the cases when gUM is called without a proper render
   // view, for example, by an extension.
   DCHECK_GE(render_view_id, 0);
@@ -832,7 +834,8 @@ MediaStreamDependencyFactory::MaybeCreateAudioCapturer(
           device_info.session_id,
           device_info.device.id,
           device_info.device.matched_output.sample_rate,
-          device_info.device.matched_output.frames_per_buffer)) {
+          device_info.device.matched_output.frames_per_buffer,
+          constraints)) {
     return NULL;
   }